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  • RE: OPA227: OPA227 output has negative（positive） bias, when using a capacitive voltage sensor

    HI Panxiaohong, The issue is not related to the op-amp circuit, but the capacitive divider or DC bias injected by the sensor. Can you clarify: Do you have a data sheet for this sensor? OR are you attempting to build a capacitive divider using standard…

  • OPA227: I only want to delete my account.

    TI Thinks Resolved
    Part Number: OPA227 Tool/software: How can I delete my account. Thank you for your time.
    • Answered

  • OPA227: regarding to the linearity

    Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA210 , OPA197 , OPA192 Hello team, I have a question about regarding thread above. Could you suggest a device similar to the OPA227 with improved linearity on the negative side? Regards, Masa
    • Resolved

  • OPA355 and OPA227 : noise information in macro view of TINA simulation

    Other Parts Discussed in Thread: OPA355 Hello this is seongmun kim nowaday, i am running to simulation about noise analysis. but example noise information in macro is not correct for analysis. can i share the inforamtion about noise component for OPA355,…
    • Answered

  • OPA227: How to add TTL or PWM switching to control a constant current source circuit?

    Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: LM3409 , Hi Team, If the customer want to add TTL control, what should they do? 1) the preliminary preparation is shown as below, a MOS tube is connected in series. However, it was found that the TTL…
    • Resolved

  • OPA227: OPA227U maximum power dessipation

    TI Thinks Resolved
    Part Number: OPA227 Hi team Good day! Our customer want to know : OPA227U maximum power dessipation could you please help this？ Thank you so much! Regards Aosker

  • OPA227: Closed Loop Output Impedance

    TI Thinks Resolved
    Part Number: OPA227 Hello Guys, Good day. Our customer wanted to know the closed loop output impedence of OPA227U. Is this available? Thanks in advance! Art
    • Answered

  • OPA227: Long Term Drift

    Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA189 Hi all My customer has a non-inverting amplifier with a gain=10 with the OPA227 and he asks about the long-term drift of the output voltage. What value can they expect ? ... and would you rather…
    • Resolved

  • RE: OPA2277: OPA2277

    Thanks. Luis, So this means this OPA227 device will only be allowed to work between -40 to 85 deg. C ambient temperature range, Not sure if you know with same OPA2277 rated devices which can operate in ambient temperature range between -55 deg. C to 125…
    • Answered

  • OPA227: HA17741 opamp cross reference

    Resolved
    Part Number: OPA227 Hi, I need a suptitude for a discontinued HA17741 opamp. I believe OPA227 would work (the HA17741 work at lower temperature than the standard 741 opamp). If this one is not 100% compatible, do you have a better match? Thank you!
    • Resolved
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